Gangster Chandler and his accomplice Tracy arrive at a dude ranch. Cowboy Kentucky arrives at the same time. When Tracy double-crosses his boss and has the stage robbed, Kentucky finds the outlaws and brings them in. Tracy frames him for the murder of the driver but his pal Cactus gets him out of jail. He returns just as Chandler shoots Tracy and Kentucky finds himself arrested for another murder.
A recently released prisoner lives alone in his cabin so that his bad temper won't get him back in any more trouble, but his peaceful existence is disrupted when a mysterious woman arrives.
A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Charles Irwin to find out who did it among all the suspects who were in the house.
After Sheriff Ken puts money in the safe, his brother Clem gives Rawhide the combination. With the money gone the disgruntled townsmen make Boots Sheriff and lock up Ken. Clem, now a prisoner of Rawhide, has a change of heart and sends Ken a message with the outlaw's location. Ken escapes by impersonating the saloon entertainer and rides for the hangout.
Twelve renegades dressed as Indians kill the parents of two brothers. The brothers who have similar birth marks then separate. Ten years later a man known as the Rawhide Terror is murdering the renegades who are now town citizens. Everyone is after the Rawhide Terror and the two brothers are destined to meet again.
Jury foreman Edward Weldon's questioning leads to the death sentence for Ethel Saxon. His daughter Stella claims to have killed her lover, the gangster Garboni, just as Saxon was to sit in the electric chair.
Philo Vance, accompanied by his prize-losing Scottish terrier, investigates the locked-room murder of a prominent and much-hated collector whose broken Chinese vase provides an important clue.
A night of love, intrigue, death and blackmail leaves stage-star Elise Manning's fate at stake in a conflict with the unscrupulous Doctor Gruell. A rejected lover dies in Miss Manning's apartment, and Gurell implies that the death was murder and attempts to blackmail the actress. The climax brings the actress, her fiancé and the dead-man's wife face-to-face in an emotional denouement.
A young lawyer is elected mayor of the city and promises to rid it of the corruption it's famous for. The problem is that most of the corruption he's vowed to eliminate is caused by the crooked political machine that helped elect him.
In London, a secret society led by lawyer Thaddeus Merrydew collects the assets of any of its deceased members and divides them among the remaining members. Society members start dropping like flies. Sherlock Holmes is approached by member James Murphy's widow, who is miffed at being left penniless by her husband. When Captain Pyke is shot, Holmes keys in on his mysterious Chinese widow as well as the shady Merrydew. Other members keep dying: Malcom Dearing first, then Mr. Baker. There is also an attempt on the life of young Eileen Forrester, who became a reluctant society member upon the death of her father. Holmes' uncanny observations and insights are put to the test.
Dr. Gorman is a millionaire adventurer, traveling the world in search of dangerous game. His bored, beautiful, much younger wife entertains herself in the arms of other men. In turn, Gorman uses his animals to kill these men. When a New York City zoo suggests a fundraising gala, Gorman sees a prime opportunity to dispatch the dashing Roger and anyone else who might cross him.
Moriarty is sentenced to death, and Sherlock Holmes prepares to retire to the country and marry his girl. But Moriarty has sworn that Holmes, Lt. Col. Gore-King of Scotland Yard, and his trial judge shall all be hanged too. When Moriarty escapes and proceeds to put his threat into operation, Holmes has to postpone his retirement.
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone